i have flu like symptoms, no fever, upset stomach, 1 trip o the er because i sweated for 2 hours straight no cognitive abilities a month ago, right now cough I ve had for 3 weeks, skin infections on my face and under neck and finger nails. should i go to the er if i know I ve had merca for a year? i have been managing it at home with antibiotics from one visit a year ago but continued to return while using meth. i have good hygiene. can merca infect me internally